Thanks Mrs. Sabine for translation of third volume of Alexander von Humboldt's Kosmos. Admires its author. Questions references in notes. Discusses meeting for Wintringham Committee.
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Thanks Mrs. Sabine for translation of third volume of Alexander von Humboldt's Kosmos. Admires its author. Questions references in notes. Discusses meeting for Wintringham Committee.
Thanks to [Francis] Ronalds for supply of paper. Comments on ES's discovery about direction of change in earth's magnetism, relating it to sun's and other electric currents. In this light, discusses auroras. Mentions abolishing of R.S.L. scientific committees and possible successor to John Caldecott.
Glad JH received gelatine paper. Discusses magnetic experiments at Toronto and Hobarton. Discusses R.S.L. committees and preparation of instruments for Arctic expedition.
Hypothesizes that annual variation of Dip and Total Force at Toronto may be caused by greater proximity of earth and sun. Discusses annual variations.